Here are a few options for a WordPress post_tag description for the title “動物行為” (Animal Behavior) in Traditional Chinese, catering to different levels of detail and intended audience:

**Option 1 (Concise & General):**

> 探索動物世界的奧秘，了解各種生物的行為模式、習性、以及牠們與環境的互動。
>
> _Explore the mysteries of the animal kingdom, understanding the behavior patterns, habits, and interactions of various creatures with their environment._

* **Best for:** A broad audience, general use tags.

**Option 2 (More Detailed, Emphasizing Scientific Approach):**

> 深入研究動物行為，包括動物的生理、心理、社會行為，以及牠們如何 適應環境挑戰，透過觀察、實驗與分析，揭示動物世界的複雜性。
>
> _A deep dive into animal behavior, encompassing animal physiology, psychology, social behavior, and how they adapt to environmental challenges. We’ll use observation, experimentation, and analysis to reveal the complexities of the animal world._

* **Best for:** Posts with a scientific or educational focus, might be geared towards a more informed audience.

**Option 3 (Focus on Practical Applications & Conservation):**

> 了解動物行為，幫助我們更好地與動物共處，促進動物保護、福利，以及環境的可持續發展。 關注動物保護、野外觀察、以及寵物訓練等相關內容。
>
> _Understanding animal behavior helps us better coexist with animals, promoting animal protection, welfare, and environmental sustainability. This tag focuses on animal conservation, wildlife observation, and topics related to pet training._

* **Best for:** Blogs that emphasize wildlife conservation, animal welfare, or pet ownership.

**Option 4 (Short & Sweet):**

> 探索動物的世界！ 了解關於動物的互動與習性。
>
> _Explore the world of animals! Learn about their interactions and habits._

* **Best for:** Very basic, broad use.

**How to choose the best description:**

* **Consider your target audience:** Who are you writing for? Are they experts or general readers?
* **Think about the content:** What kind of posts will this tag be used for? Science articles? Pet care tips?
* **Keep it concise:** WordPress tag descriptions benefit from being clear and to-the-point.
* **Use keywords:** These help with SEO. Include relevant terms like “動物” (animals), “行為” (behavior), “習性” (habits), “保護” (conservation) etc. where appropriate.

Choose the option that best suits your specific WordPress site and the content you publish! Then, simply enter it in the “Description” field of your WordPress tag editor for the “動物行為” tag. Good luck!